Cod sursa(job #2079497)
Utilizator | Data | 1 decembrie 2017 14:27:06 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.36 kb |
#include <iostream>
#include <fstream>
using namespace std;
ifstream fi("lgput.in");
ofstream fo("lgput.out");
int main()
{
long long b,p,sol=1,c=1999999973;
fi>>b>>p;
for(int i=0; i<31; i++)
{
if(p&(1<<i))
sol=sol*b;
b=b*b;
sol=sol%c;
b=b%c;
}
fo<<sol;
return 0;
}